ClassID:

86389

C02F3/2866 - CPC Classification

Classification description:

Biological treatment of water, waste water, or sewage; Anaerobic digestion processes Particular arrangements for anaerobic reactors

Sub-classes:
Recent Application in this class:
#1
20260152423
2026-06-04

A CONCENTRIC REACTOR FOR TREATING WASTES FROM LAND-BASED AQUACULTURE SYSTEMS

#2
20260109627
2026-04-23

WATER TREATMENT APPARATUS

#3
20250382209
2025-12-18

METHOD FOR ENHANCING SELF-ENRICHMENT OF ANAMMOX BACTERIA BY SYMBIOTIC METABOLISM OF NITRATE-DEPENDENT DENITRIFYING BACTERIA

#4
20250361168
2025-11-27

COMBINATION OF SYNTHESIS SECTION AND BIOGAS PRODUCING UNIT

#5
20250187959
2025-06-12

LAGOON BASED ANAEROBIC SBR/UAC REACTOR SYSTEM WITH MULTIPLE CELLS

#6
20250122108
2025-04-17

PHOTOCATALYTIC PANEL REACTOR FOR THE ANAEROBIC PHOTOREFORMING OF WASTE AQUEOUS EFFLUENTS AND THE PRODUCTION OF HYDROGEN AS CO-PRODUCT

#7
20250051208
2025-02-13

SYSTEMS AND METHODS FOR HIGH-EFFICIENCY NUTRIENT REMOVAL AND RECOVERY FROM WASTE STREAMS

#8
20240262724
2024-08-08

Staggered electrode bio-electro-Fenton groundwater circulation well system, and electro-Fenton assembly

#9
20240182345
2024-06-06

METHODS AND SYSTEMS FOR DIGESTING BIOSOLIDS AND RECOVERING PHOSPHORUS

#10
20240182342
2024-06-06

METHOD FOR PRODUCING RECYCLED WATER

#11
20240158272
2024-05-16

WATER TREATMENT WITH OIL

#12
20240150207
2024-05-09

Septic Sludge Alarm Assembly

#13
20240043299
2024-02-08

Devices for controlling to remove food waste digestion foam

#14
20240042501
2024-02-08

CLEANING SYSTEM FOR CLEANING A FLOOR OF A CLOSED SYSTEM

#15
20240025782
2024-01-25

Anaerobic digestion device for organic solid waste based on uncoupling of hydraulic retention time (HRT) from sludge retention time (SRT)

#16
20230322599
2023-10-12

METHOD FOR CONTINUOUS CLEANING OF PROCESS WATER IN WASTE PAPER TREATMENT WITH CONTROL OF THE CONTENT OF INORGANIC SOLIDS

#17
20230265001
2023-08-24

System and method for using subterranean biological reactors

#18
20230212049
2023-07-06

HOME TOILET WASTE TREATMENT SYSTEM COMPRISING BIO-TREATMENT DEVICE AND COMBUSTION DEVICE, AND METHOD FOR TREATING TOILET WASTE BY USING SAME

#19
20230201895
2023-06-29

ORGANIC WASTE DIGESTION AND DECOMPOSITION SYSTEMS AND METHODS THEREOF

#20
20230183112
2023-06-15

CONCURRENT RAW AND AERATED WASTEWATER TREATMENT METHOD USING BIOELECTROCHEMICAL SYSTEM

#21
20230045512
2023-02-09

BIOPOWERPLANT: THIRD GENERATION BIOREFINERY WITH IMPROVED CAPACITY TO USE DOMESTIC WASTEWATER, LANDFILL LEACHATE AND SEA SALT WATER AS AN INPUT TO GENERATE GREEN ENERGY, WATER FOR REUSE, BIOFUEL, ORGANIC FERTILIZERS AND CAPTURE ATMOSPHERIC CO2

#22
20220396510
2022-12-15

GAS-LIQUID-SOLID SEPARATOR

#23
20220332615
2022-10-20

Ferric iron-dosed anaerobic biological wastewater treatment technology

#24
20220324734
2022-10-13

Device for strengthening anaerobic sludge digestion based on conical-coiled pipe coupling and anaerobic sludge digestion method

#25
20220259533
2022-08-18

Culture systems and methods of using same

#26
20220143659
2022-05-12

Auger cleaned inaccessible floor system

#27
20220073391
2022-03-10

Methods and systems for digesting biosolids and recovering phosphorus

#28
20220017397
2022-01-20

Two-times-two tank process and system

#29
20210403353
2021-12-30

Method for high efficiency biological phosphorus and nitrogen removal in a sequencing batch reactor activated sludge process

#30
20210394135
2021-12-23

PROPELLER FOR A DIGESTION TANK MIXER

#31
20210284557
2021-09-16

Induced sludge bed anaerobic reactor system

#32
20210246058
2021-08-12

Anaerobic and aerobic treatment system and process for landfill wastewater

#33
20210122656
2021-04-29

System and method for using subterranean biological reactors

#34
20210087087
2021-03-25

Simultaneous phase operated anaerobic sequential batch reactor

#35
20210079429
2021-03-18

MULTIPLE TANK HIGH SOLIDS ANAEROBIC DIGESTER

#36
20210078882
2021-03-18

High-concentration organic wastewater treatment reactor

#37
20210032581
2021-02-04

Anaerobic photobioreactor and method for biomass cultivation, wastewater treatment, nutrients recovery, energy production and high-value products synthesis

#38
20210032139
2021-02-04

REGULATING A MICROENVIRONMENT OF ANAEROBIC GRANULAR SLUDGE TO PROMOTE ANAEROBIC DIGESTION AND DELAY CALCIFICATION

#39
20210024861
2021-01-28

Culture systems and methods of using same

#40
20210017057
2021-01-21

Septic system remediation

#41
20200261950
2020-08-20

Auger cleaned inaccessible floor system

#42
20200223730
2020-07-16

Process and plant for purification of waste from zootechnical sources

#43
20200156963
2020-05-21

Wastewater cleaning system and process

#44
20200148567
2020-05-14

Induced sludge bed anaerobic reactor system

#45
20200140300
2020-05-07

Wastewater synergistic treatment acceleration device

#46
20200079668
2020-03-12

Anammox reactor and water treatment method using the same

#47
20190321149
2019-10-24

Underground storage tank

#48
20190292080
2019-09-26

Mixer support assembly for use in an integrated cover and mixer apparatus and anaerobic digester system incorporating same

#49
20190218125
2019-07-18

Method for treating a black and odorous water body with a bionic process

#50
20190177198
2019-06-13

ODORLESS WASTE DISPOSER UNIT

#51
20190092664
2019-03-28

Meander septic tank

#52
20190039931
2019-02-07

Multi-stage wastewater treatment and hydroponic farming device

#53
20190016619
2019-01-17

Induced sludge bed anaerobic reactor system

#54
20180354829
2018-12-13

WASTEWATER TREATMENT SYSTEM

#55
20180334401
2018-11-22

PLANT FOR THE PURIFICATION OF WASTE AND/OR PROCESS WATER BY MEANS OF ANAEROBIC MICROORGANISMS WITH A REACTOR TANK AND AN EXTERNAL SEPARATION APPARATUS

#56
20180297876
2018-10-18

Sewage treatment system

#57
20180294501
2018-10-11

ELECTRODE ASSEMBLY, AND MICROBIAL FUEL CELL AND WATER TREATMENT DEVICE USING SAME

#58
20180230033
2018-08-16

RAPID STARTUP OF FACILITIES AND REMOVAL OF ORGANICS AND NUTRIENTS FROM WASTEWATER

#59
20180230031
2018-08-16

BIOREACTOR FOR TREATING WATER FLUID(S) BY BIOMASS

#60
20180155225
2018-06-07

INDIVIDUAL SEPTIC TANK UNIT

#61
20180093910
2018-04-05

Method and system for anaerobic treatment of organically loaded wastewater

#62
20180086654
2018-03-29

In-situ, self-adjusting stability control of methane-producing anaerobic biological reactors through novel use of ion exchange fibers

#63
20180065876
2018-03-08

ANAEROBIC DIGESTER APPARATUS WITH A FLOATING MIXER SYSTEM INTEGRATED WITH A COVER

#64
20180057381
2018-03-01

Induced sludge bed anaerobic reactor

#65
20180057380
2018-03-01

Method for controlling a treatment apparatus arrangement, a treatment apparatus arrangement for a treatment plant as well as a treatment plant

#66
20170291825
2017-10-12

Production of ammonium sulfate using a vacuum absorption process

#67
20170283833
2017-10-05

Multiple tank high solids anaerobic digester

#68
20170247278
2017-08-31

Portable renewable energy microgeneration system

#69
20170217807
2017-08-03

Wastewater treatment systems and related methods

#70
20170204596
2017-07-20

Water treatment system

#71
20170050892
2017-02-23

Anaerobic column reactor for biodegradation of wastes and the process thereof

#72
20160376177
2016-12-29

Underground septic tank

#73
20160272521
2016-09-22

Apparatus for water treatment using a physical separator

#74
20160251587
2016-09-01

Methods and Apparatuses for Removal of Hydrogen Sulfide and Carbon Dioxide from Biogas

#75
20160207807
2016-07-21

WASTEWATER TREATMENT SYSTEM

#76
20160130166
2016-05-12

Portable renewable energy microgeneration system

#77
20160122703
2016-05-05

METHOD AND SYSTEM FOR TREATING ORGANIC WASTE AND WASTEWATER

#78
20160122218
2016-05-05

Process and device for treating a biomass mixed with water in order to produce drinking water, biogas and combustible solids

#79
20160107910
2016-04-21

Septic tank for generating methane gas

#80
20160083268
2016-03-24

Enhanced biosorption of wastewater organics using dissolved air flotation with solids recycle

#81
20160031734
2016-02-04

Water closet and septic system

#82
20160023931
2016-01-28

WASTEWATER TREATMENT METHOD

#83
20150376043
2015-12-31

Method and apparatus for wastewater treatment using external selection

#84
20150307369
2015-10-29

Systems and methods for reducing ammonia emissions from liquid effluents and for recovering the ammonia

#85
20150299010
2015-10-22

PORTABLE HIGH RATE ANAEROBIC DIGESTER APPARATUS AND METHOD OF OPERATION

#86
20150111271
2015-04-23

Multiple tank high solids anaerobic digester

#87
20150108066
2015-04-23

Denitrification biofilter device and method for treating wastewater

#88
20150101967
2015-04-16

ANAEROBIC SUSPENDED GROWTH WATER TREATMENT OF CONTAMINATED WATER

#89
20150076398
2015-03-19

Bioremediation of soil and groundwater

#90
20150076058
2015-03-19

Waste processing system with anaerobic mechanism and method of operation thereof

#91
20150048024
2015-02-19

Method for treating a waste stream using a bioreactor and a membrane filter

#92
20150001145
2015-01-01

Bio-filter for waste water digestion

#93
20140319054
2014-10-30

Apparatus and method for enhanced wastewater treatment

#94
20140131273
2014-05-15

Method and apparatus for wastewater treatment using screens

#95
20140124439
2014-05-08

Apparatus and method for anaerobic wastewater treatment with membrane

#96
20140102976
2014-04-17

Method for continuous treatment of water containing organic matter by enzyme treatment

#97
20140083936
2014-03-27

Method and apparatus for water treatment using screens

#98
20130327708
2013-12-12

Anaerobic lagoon or tank having a flow-splitter tank

#99
20130284652
2013-10-31

Anaerobic Digester Apparatus With A Floating Mixer System Integrated With A Cover

#100
20130092626
2013-04-18

Bubble generation for aeration and other purposes

#101
20130044562
2013-02-21

Mixer assembly for digestion tank

#102
20120312742
2012-12-13

Renewable energy microgeneration system

#103
20110272347
2011-11-10

High-rate anaerobic pool bioreactor

#104
20110200954
2011-08-18

Renewable energy microgeneration system

#105
20110089171
2011-04-21

WASTEWATER TREATMENT PROCESS BASINS

#106
20100105128
2010-04-29

Portable high rate anaerobic digester apparatus and method of operation

#107
17963512
2024-09-03

Wastewater spray distribution apparatus

#108
17949467
2023-08-29

Mobile modular home with a bladder tank support assembly

#109
17526077
2024-02-06

Adaptive solar heated anaerobic digestor pond

#110
16990095
2022-10-18

Wastewater spray distribution apparatus

#111
15694351
2020-02-04

System for flushing a conduit

#112
15611336
2020-11-24

Wastewater disinfection system

#113
15223600
2019-12-10

One piece watertight concrete structure

#114
15171799
2020-05-05

Septic tank having a lid with access port

#115
15072012
2021-11-30

Treatment systems including cover systems and media

#116
14939755
2017-04-04

High efficiency water treatment process

#117
14508957
2018-01-30

Systems and methods for installing digester ballast

#118
14164869
2014-12-30

Wastewater treatment unit